Home / 53,905-80,873.82-27,628.36

Finding the Fourth Proportional to 53,905, 80,873.82 and 27,628.36

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Solution

The fourth proportional to 53,905, 80,873.82 and 27,628.36 is: 41,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905 : 80,873.82 = 27,628.36 : x
  2. Step 2: Convert to fraction form
    53,905/80,873.82 = 27,628.36/x
  3. Step 3: Cross multiply
    53,905x = 80,873.82 × 27,628.36
  4. Step 4: Simplify right side
    53,905x = 2,234,411,013.54
  5. Step 5: Solve for x
    x = 2,234,411,013.54/53,905
  6. Step 6: Final answer
    x = 41,450.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.